17-letter words containing i, s, o, p
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psycholinguistics — the study of the relationship between language and the cognitive or behavioral characteristics of those who use it.
- psychometric test — a test designed to test a person's mental state, personality and thought processes
- psychoprophylaxis — Lamaze method.
- psychotherapeutic — psychotherapy.
- pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
- public prosecutor — an officer charged with the conduct of criminal prosecution in the interest of the public.
- public television — a type of noncommercial, usually educational, television programming funded by the government, grants, viewers, and corporations. Compare educational television.
- pull one's weight — the amount or quantity of heaviness or mass; amount a thing weighs.
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- put the kibosh on — nonsense.
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quasi-competitive — of, pertaining to, involving, or decided by competition: competitive sports; a competitive examination.
- queen of puddings — a pudding made of moist but firm breadcrumb and custard mixture topped with jam and meringue
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- recoil escapement — anchor escapement.
- recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
- reformed spelling — a revised orthography intended to simplify the spelling of English words, especially to eliminate unpronounced letters, as by substituting thru for through, tho for though, slo for slow, etc.
- rehospitalization — the act, process, or state of being hospitalized.
- repertory society — a group that supports amateur performances of plays by its members
- reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
- res ipsa loquitur — the rule that an injury is due to the defendant's negligence when that which caused it was under his or her control or management and the injury would not have happened had proper management been observed.
- rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- respiratory tract — the passages through which air enters and leaves the body
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- rocket propulsion — propulsion of an object by thrust developed by a rocket.
- roseate spoonbill — a tropical New World spoonbill, Ajaia ajaja, having rose-colored plumage and a bare head.
- rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
- sable island pony — a variety of wild pony found on Sable Island, Nova Scotia
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- saint christopher — Saint, died a.d. c250, Christian martyr.
- sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
- scheme repository — A collection of free Scheme programs.
- schizophrenogenic — causative of schizophrenia.
- schmidt telescope — a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
- scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-emancipation — the act of emancipating.
- self-incompatible — not capable of self-pollination.
- self-presentation — an act of presenting.
- self-preservation — preservation of oneself from harm or destruction.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-reproduction — the act or process of reproducing.
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- semi-monopolistic — a person who has a monopoly.